bit vs by, What's the Difference?

Which to use

“bit” is a noun and “by” is a preposition - they look or sound alike but fill different roles in a sentence.

#11,815
“bit” frequency rank: #1,598
“by” frequency rank: 13413
confusion score

Side-by-Side Comparison

Feature	bit	by
Definition	ver bite	por;

Letter map: bit vs by

Shared letters muted; letters that set bit and by apart highlighted. Shared run: 1.

3 ch

bit

2 ch

Grammar separator: bit vs by

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: bit is anoun and byapreposition. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 13413, derived from the frequency rank of both members and their visual similarity.

bit is recorded at frequency rank #11,815, classified as anoun, pronounced /bit/. by is at rank #1,598, tagged as aprep.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 13413, this pair ranks #58,946 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of bit vs by

Shared letters: b. Private to "bit": it. Private to "by": y.

"bit" · 3 letters · shape CVC · "by" · 2 letters · shape CV

Frequently Asked Questions

Is swapping "bit" for "by" ever safe?

No - they are not even the same part of speech. "bit" is a noun and "by" a preposition, so a sentence built for one is usually ungrammatical with the other.

In ordinary Portuguese text, does "bit" or "by" show up more?

"by" is the more common of the two: it sits at frequency rank #1,598 in our Portuguese list, against #11,815 for "bit". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "bit" vs "by" is on the table, pick a follow-up below.

Full dictionary entry for "bit" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "by" - compare definitions side by side with the headword page. Word entry
This pair ranks #58,946 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"bit" and "by" also get mixed up with nearby pairs, the highest-scored neighbour is "bile vs bit". Nearby pair

Confusion rank #58,946 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.